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CBSE Class 7  >  Class 7 Notes  >  Mathematics (Maths) (Old NCERT)  >  Worksheet Question & Answers: Simple Equations

Worksheet Question & Answers: Simple Equations

Q1: If L.H.S. = R.H.S. of an equation, then the equation will be
(a) Balanced
(b) Unbalanced
(c) Constant
(d) Wrong

Q2:  In an equation, there is always a/an
(a) equality sign (=)
(b) greater than sign (>)
(c) less than sign (<)
(d) division sign ( ∏)

Q3: The equation form of the given statement '6 less than a number is 13' will be
(a) x - 6 = 13
(b) 6x = 13
(c) x - 13 = 6
(d) x= 13 - 6

Q4: If the sum of three consecutive even numbers is 78 then the numbers will be
(a) 10, 12 an 14
(b) 16, 18 and 20
(c) 22, 24 and 26
(d) 24, 26 and 28

Q5: The statement form of the given equation 'x - 4 = 5' is
(a) Taking away 5 from x gives 4
(b) Taking away 4 from 5 gives x
(c) Taking away 4 from x gives 5
(d) Taking away 5 from 4 gives x

Q6: Subtract 7 from thrice a number the result is 8. The equation form of the above statement is
(a) 7x - 2 = 8
(b) x - 2 = 7
(c) 3x - 7 = 8
(d) 2x - 8 = 7

Q7: The statement form of the given equation '2x + 6 = 24' is
(a) Twice a number is 24 increased by 6
(b) Twice a number increased by 6 is 24
(c) Twice a number is 24 and increased by 6
(d) Twice a number increased by 24 is 6

Q8: For the equation 6p - 4 = 8, the solution will be
(a) p = 1
(b) p = 2
(c) p = 3
(d) p = 4

Q9: The value of a variable is
(a) 0
(b) 1
(c) fixed
(d) not fixed

Q10: Karan says that he has 6 balls more than five times the number of balls Sumit has. If Karan has 36 balls and Sumit has x number of balls, then the equation form for this statement is
(a) 5x + 6 = 36
(b) 5x + 36 = 6
(c) 5x - 6 = 36
(d) 5x - 36 = 6

The document Worksheet Question & Answers: Simple Equations is a part of the Class 7 Course Mathematics (Maths) Class 7 (Old NCERT).
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FAQs on Worksheet Question & Answers: Simple Equations

1. How do I check if my answer to a simple equation is correct?
Ans. Substitute your solution back into the original equation to verify both sides are equal. If the left side equals the right side after substitution, your answer is correct. This method works for all linear equations and catches algebraic mistakes instantly before submission.
2. What's the difference between solving equations with addition versus subtraction in Class 7 maths?
Ans. Addition and subtraction are inverse operations used to isolate variables. When a number is subtracted from the variable, add it to both sides; when added, subtract it from both sides. Both follow the same principle of maintaining equation balance while simplifying to find the unknown value.
3. Why do I have to do the same operation on both sides when solving simple equations?
Ans. Performing identical operations on both sides preserves the equation's balance. Simple equations represent equal quantities; changing only one side breaks this equality. This fundamental principle ensures the solution remains valid and mathematically sound throughout the solving process.
4. How can I tell if a simple equation has no solution or infinite solutions?
Ans. Most Class 7 simple equations have one unique solution. However, if simplification yields a false statement (like 0 = 5), there's no solution. If both sides become identical (like 3 = 3), infinite solutions exist. These cases appear rarely in Class 7 worksheets but are important for understanding equation behaviour.
5. What are common mistakes students make when solving linear equations in CBSE Class 7?
Ans. Frequent errors include forgetting to apply operations to both sides, mishandling negative numbers, and arithmetic mistakes during simplification. Students often rush through verification steps or incorrectly transpose terms. Using CBSE worksheet solutions and practising problems systematically helps identify and eliminate these recurring errors effectively.
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Document Description: Worksheet Question & Answers: Simple Equations for Class 7 2026 is part of Mathematics (Maths) Class 7 (Old NCERT) preparation. The notes and questions for Worksheet Question & Answers: Simple Equations have been prepared according to the Class 7 exam syllabus. Information about Worksheet Question & Answers: Simple Equations covers topics like and Worksheet Question & Answers: Simple Equations Example, for Class 7 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Worksheet Question & Answers: Simple Equations.
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